ition. Not reproduced with Optical Recognition Software. In this volume the authors have provided what has now become a classic psychodynamic analysis of Black American adaptation that provides a clear understanding of why Black Americans react to many situations in the way that they do. This careful scientific study, using what was then a new methodology, is a contribution to the study of behavioral problems that is as important in what it reveals about other segments of the population as it is significant in evaluating the basis of Black American reactions. The source material is an intensive case study of 25 Black Americans, all obtained by the psychoanalytic interview method. Part one contains has the following parts: The White Man and the Negro: A Comparative Sociology The social Environment of the White Man and the Social Environment of the Negro. Part 2 contains the personality studies of 25 Negros. Kardiner is best known as one of the most astute early observers of Post Traumatic Stress Disorder.